SOLUTION: The ratio of boys to girls in a class is 3:4. If 12 more girls join the class, the ratio would bevome 1:2. How many students are currently in the class?
Question 1108696: The ratio of boys to girls in a class is 3:4. If 12 more girls join the class, the ratio would bevome 1:2. How many students are currently in the class? Found 3 solutions by josgarithmetic, ikleyn, TeachMath:Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website! 3x boys and 4x girls
Two more girls, IF...
The class currently has 3 boys and 4 girls.
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(NOTE: Misread problem description; should have solved for "12 more girls" instead of "2 more girls".) Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website! .
=
3x*2 = 4x + 12
6x = 4x + 12
2x = 12
x = 6.
Answer. 3*6 = 18 boys and 4*x = 24 girls are in class.